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Lectures Stock Vector Images

100,000 Lectures vector art & graphics are available under a royalty-free license

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Online learning concept

Online learning concept — Stock Vector

Vector illustration orator spokesman spokesperson speaker businessman rhetor hand in pocket politician speech speaking stage audience business presentation spitch line art style

Vector illustration orator spokesman spokesperson speaker businessman rhetor hand in pocket politician speech speaking stage audience business presentation spitch line art style — Stock Vector

Abstract picture frame with hand as continuous lines drawing on white background

Abstract Picture Frame Hand Continuous Lines Drawing White Background — Stock Vector

Tired eyes — Stock Vector

Continuous one line drawing young Arabian female reading, learning and sitting on big books. Study at home. Smart student, education concept, fair. Single line draw design vector graphic illustration

Continuous One Line Drawing Young Arabian Female Reading Learning Sitting — Stock Vector

Floating ghost — Stock Vector

Person read a book one line drawing vector illustration isolated on white background

Person Read Book One Line Drawing Vector Illustration Isolated White — Stock Vector

Line art girl raising hand in elementary school class illustration vector isolated on white background

Line Art Girl Raising Hand Elementary School Class Illustration Vector — Stock Vector

Cartoon happy man pointing with speech bubble

Cartoon happy man pointing with speech bubble — Stock Vector

Speech bubble — Stock Vector

Tired eyes with thought bubble

Tired eyes with thought bubble — Stock Vector

Continuous line drawing of a child writing with a book beside him.

Continuous line drawing of a child writing with a book beside him. — Stock Vector

Continuous one line drawing young Arab female worker focus to hit target with a dart precise. Business goal management minimalist concept. Single line draw design vector graphic illustration.

Continuous One Line Drawing Young Arab Female Worker Focus Hit — Stock Vector

Open notepad, textbook, book on the table one line art. Continuous line drawing of book, library, education, school, study, literature, paper, textbook, page reading Hand drawn vector illustration

Open Notepad Textbook Book Table One Line Art Continuous Line — Stock Vector

Audio book line icon

Programmer gamer concept at computer in doodle style

Programmer gamer concept at computer in doodle style — Stock Vector

Trigeminal nerve on a woman's face. Trigeminal neuralgia. National Trigeminal Neuralgia Awareness Day. One line drawing for different uses. Vector illustration.

Trigeminal Nerve Woman Face Trigeminal Neuralgia National Trigeminal Neuralgia Awareness — Stock Vector

Man reads letter and wipes his tears - one line drawing vector. concept of reading touching letter, will, frustrated person reads contract, summons to draft board or court decision

Man Reads Letter Wipes His Tears One Line Drawing Vector — Stock Vector

Hand drawn cartoon illustration on white background

Hand Drawn Cartoon Illustration White Background — Stock Vector

Man flying in dream

Man flying in dream — Stock Vector

Children read book and study continuous one line drawing

Children Read Book Study Continuous One Line Drawing — Stock Vector

Cartoon pink fluffy vampire cloud with speech bubble

Cartoon pink fluffy vampire cloud with speech bubble — Stock Vector

Figure boy with hairstyle design and school tool in the hand vector illustration

Figure Boy Hairstyle Design School Tool Hand Vector Illustration — Stock Vector

Cartoon unhappy boy with speech bubble

Cartoon unhappy boy with speech bubble — Stock Vector

Man with laptop. Side view. Monochrome vector illustration of man sitting in a comfortable armchair, communicating online in simple line art style. White lines isolated on black background. Concept

Man with laptop. Side view. Monochrome vector illustration of man sitting in a comfortable armchair, communicating online in simple line art style. White lines isolated on black background. Concept — Stock Vector

Continuous one line of hands holding smartphone in silhouette on a white background. Linear stylized.Minimalist.

Continuous One Line Hands Holding Smartphone Silhouette White Background Linear — Stock Vector

Isolated businessman design

Isolated businessman design — Stock Vector

Bsinessman in low power. Drawn in chalk icon.

Bsinessman in low power. Drawn in chalk icon. — Stock Vector

Abstract face of young woman. Girl continuous line vector illustration.

Abstract face of young woman. Girl continuous line vector illustration. — Stock Vector

One single line drawing of young happy CEO holding a paper containing business contract agreement. Business deal successful celebration concept continuous line draw design graphic vector illustration

One Single Line Drawing Young Happy Ceo Holding Paper Containing — Stock Vector

Thought bubble — Stock Vector

Grandmother with grandson reading book

Grandmother with grandson reading book — Stock Vector

Spooky graffiti style skull

Spooky graffiti style skull — Stock Vector

Continuous line drawing of hand holding a book. active stroke lineart.

Continuous Line Drawing Hand Holding Book Active Stroke Lineart — Stock Vector

Icon Reading. suitable for education symbol. flat style. simple design editable. design template vector. simple illustration

Continuous one line drawing of speech bubble. vector illustration made of single line

Continuous One Line Drawing Speech Bubble Vector Illustration Made Single — Stock Vector

Electronic book design

Electronic book design — Stock Vector

Mans hand is holding a crystal. Graphic sketch. Vector

Mans hand is holding a crystal. Graphic sketch. Vector — Stock Vector

Abstract book with arrow as line drawing on white background

Abstract Book Arrow Line Drawing White Background — Stock Vector

Hand holding a pencil over paper. Black line drawing isolated on white.

Hand Holding Pencil Paper Black Line Drawing Isolated White — Stock Vector

Sketch. Fashion girls. Clothes and bag

Sketch. Fashion girls. Clothes and bag — Stock Vector

Blurred silhouette of man with long beard standing in formal clothes

Blurred silhouette of man with long beard standing in formal clothes — Stock Vector

Cartoon bored man with speech bubble

Cartoon bored man with speech bubble — Stock Vector

Stack of books hand drawn for library, school or university. Vector illustration of three books in doodle sketch style

Stack of books hand drawn for library, school or university. Vector illustration of three books in doodle sketch style — Stock Vector

Colorful book vector illustration

Colorful Book Vector Illustration — Stock Vector

Vector continuous one single line drawing icon of man praying to God with hands together in silhouette on a white background. Linear stylized.

Vector Continuous One Single Line Drawing Icon Man Praying God — Stock Vector

Man with microphone making an announcement

Man with microphone making an announcement — Stock Vector

Cartoon whale and speech bubble

Cartoon whale and speech bubble — Stock Vector

Funny cartoon cloud

Funny cartoon cloud — Stock Vector

Funny cartoon cloud

Funny cartoon cloud — Stock Vector

Thought bubble cartoon flying saucer

Thought bubble cartoon flying saucer — Stock Vector

The boy has learning difficulties due to dyslexia. World Dyslexia Day. One line drawing for different uses. Vector illustration.

Boy Has Learning Difficulties Due Dyslexia World Dyslexia Day One — Stock Vector

Organic tested line icon. Bio cosmetics sign. Paraben. Vector

One continuous line art drawing a girl reading a book.

One Continuous Line Art Drawing Girl Reading Book — Stock Vector

Tired eyes — Stock Vector

Vector sketch of hand holding smartphone, Hand drawn illustration isolated

Vector Sketch Hand Holding Smartphone Hand Drawn Illustration Isolated — Stock Vector

Scientist Old Man In Uniform With Folder Vector

Scientist Old Man In Uniform With Folder Vector — Stock Vector

An open book in hardcover

An open book in hardcover — Stock Vector

Young girl teen reading book continuous line drawing vector illustration

Young girl teen reading book continuous line drawing vector illustration — Stock Vector

Book reading icon image

Speech bubble cartoon female face

Speech bubble cartoon female face — Stock Vector

A woman makes a sign prohibiting violence. International day for the elimination of violence agains women one-line drawing

Woman Makes Sign Prohibiting Violence International Day Elimination Violence Agains — Stock Vector

Happy boy — Stock Vector

Abstract oval speech bubble as line drawing on white as background

Abstract Oval Speech Bubble Line Drawing White Background — Stock Vector

Spooky ghost — Stock Vector

Romantic couple with continuous line art drawing vector illustration. Concept of man and girl see a beautiful scenery. Male person pointing something showing his girl friend.

Romantic Couple Continuous Line Art Drawing Vector Illustration Concept Man — Stock Vector

Hand drawn doodle call center icon isolated

Hand Drawn Doodle Call Center Icon Isolated — Stock Vector

A woman supports mental health. World mental health day one-line drawing

Woman Supports Mental Health World Mental Health Day One Line — Stock Vector

Continuous one line drawing young Arabian boy studying with laptop and pile of books. Back to school, intelligent student, online education concept. Single line draw design vector graphic illustration

Continuous One Line Drawing Young Arabian Boy Studying Laptop Pile — Stock Vector

Continuous line drawing of man with laptop feels frustrated expressing distress and annoyance of display on his notebook. His business go bankrupt. Frustration and depression worker concept.

Continuous Line Drawing Man Laptop Feels Frustrated Expressing Distress Annoyance — Stock Vector

Listening to Conversation

Listening to Conversation — Stock Vector

The hand is holding a book and a laptop. Element for presentations, applications and sites. Trendy flat vector illustration.

Hand Holding Book Laptop Element Presentations Applications Sites Trendy Flat — Stock Vector

Arm wrestling one line art. Continuous line drawing of gesture, hand, strong handshake.

Arm wrestling one line art. Continuous line drawing of gesture, hand, strong handshake. — Stock Vector

Donation line icon

Table with a computer or workplace drawn by hand doodle style.

Table with a computer or workplace drawn by hand doodle style. — Stock Vector

Thought bubble cartoon raincloud

Thought bubble cartoon raincloud — Stock Vector

Thought bubble — Stock Vector

Cartoon spooky halloween costume with speech bubble

Cartoon spooky halloween costume with speech bubble — Stock Vector

One line books drawing, vector illustration

One Line Books Drawing Vector Illustration — Stock Vector

Thought bubble — Stock Vector

Vector illustration hand drawn sketch of classroom isolated on white background

Vector illustration hand drawn sketch of classroom isolated on white background — Stock Vector

Snowman xmas bauble

Snowman xmas bauble — Stock Vector

Hand arm finger object gesture sign palm fist

Hand arm finger object gesture sign palm fist — Stock Vector

Portrait of a man in a medical protective mask

Portrait of a man in a medical protective mask — Stock Vector

Speech bubble — Stock Vector

Cartoon nervous man with speech bubble

Cartoon nervous man with speech bubble — Stock Vector

Man sitting biting his index finger - one line drawing vector. the concept of surprise, mystery, interest, intrigue, infantilism, finger licking

Man Sitting Biting His Index Finger One Line Drawing Vector — Stock Vector

Continuous line drawing of office workers at business meeting

Continuous Line Drawing Office Workers Business Meeting — Stock Vector

Annoyed girl — Stock Vector

Drawing a continuous line of facial expressions.

Drawing a continuous line of facial expressions. — Stock Vector

Communication isolated line drawing, vector illustration design.

Communication Isolated Line Drawing Vector Illustration Design — Stock Vector

Grunge man with t-shirt and chat bubble message

Grunge man with t-shirt and chat bubble message — Stock Vector

Cartoon doodle white happy clouds

Cartoon Doodle White Happy Clouds — Stock Vector

Cartoon doodle white happy clouds

Cartoon Doodle White Happy Clouds — Stock Vector

Design of bookstore icon

Dancing penguin

Dancing penguin — Stock Vector

Continuous line drawing of children read book minimalist vector illustration. Back to school theme.

Continuous line drawing of children read book minimalist vector illustration. Back to school theme. — Stock Vector

Continuous one line drawing young Arab female with laptop laying down on big book. Freelance, distance learning, online courses, studying concept. Single line draw design vector graphic illustration

Continuous One Line Drawing Young Arab Female Laptop Laying Big — Stock Vector

Thought bubble — Stock Vector

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