Professional businessman giving a presentation with a tablet
A computer geek explains how to do something on a laptop to an elderly man in his modern home
Diverse employees sitting around the table listening teacher receiving knowledge
Caucasian male professor in standing and walking in front of students and giving lection. Man teacher explaining lesson subject in
A brunette girl in round and in a business uniform presents her idea on a stand while working in an office and business meeting at the table
Two doctors discussing treatment outcomes
Dynamic Office Collaboration: Diverse Team in Colorful Shirts
Professional explanation
Caucasian male professor writing math formulas on blackboard and explaining them to students in Man teaching mathematics at high school
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Young Black woman looking at contemporary artwork and listening to explanation from gallery guide during excursion
A gray-haired, middle-aged man Visualizes his plan with a glass board and a white marker
Caucasian male handsome student at University sitting at desk in front of teacher and asking question. Rear of professor speaking in front
Experienced professional leading conference room meeting with tablet.
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Primary school student listening to explanation of his female teacher standing with trumpet next to him during music lesson, classmates writing test in background
Stressful company boss shouting at his secretary due to irresponsible behavior, caucasian manager yelling giving negative comments, angry frustrated unsatisfied supervisor
Portrait of a young man sharing insights on camera. At home. Male blogger creating content for his blog. Video content creation. Explanation.
Close up of old Spanish language book with laowa probe lens on slider, macro of text in the book. Paper closeup.
A middle-aged man talks to a middle-aged woman who listens and nods on a bridge in a park - ends in closeup
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A young man with curly hair stands against a bright blue background. He is wearing a white t-shirt and seems to be making a point or
Close up of old Spanish language book with laowa probe lens on slider, macro of text in the book. Paper closeup.
A young man shares his thoughts in a city at night - closeup
Pan shot of African businessman standing outdoors and speaking to African businesswoman
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Man Intently Explaining Something to Young Girl in Pink Beanie Inside Car
Group of scientists investigating hurricane as consequence of global warming on earth. Elements of this image furnished by NASA
Group of scientists investigating hurricane as consequence of global warming on earth. Elements of this image furnished by NASA
Confident brunette guy with in a white shirt draws a graph on a stand during a presentation of his idea in a modern office
The Holy Quran Book, koran Chapter, flipping pages Close up Macro.
Portrait of young Caucasian male professor at University wearing and looking at camera. Students in auditorium on background. Man
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Father and Daughter in Car: Man Explaining Something to Girl Holding Phone
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity on big screen. Elements of this image furnished by NASA
A young woman shares her thoughts in a park
Close up of Caucasian male professor standing and walking in front of students in college and talking to them while having lection
Asian teacher explains subject to schoolchildren in library
Close up of Caucasian young man with beard sitting at lection in University, rising hand and asking question or anwering to
Caucasian guy student at college sitting in front of profesor and asking question about topc of lesson. Back view of female teacher talking
A young professional speaks to the camera, expressing frustration - green screen studio
Asian teacher explains topic at English classes emotionally
Portrait of Caucasian happy male teacher in turning to camera and smiling joyfully at college. Portrait shot of man professor at Lecturer
A middle-aged woman talks to a middle-aged man who listens and nods on a bench in a park - ends in closeup
A confident male in a business suit opens the trunk of a car and tells a client a middle-aged man in a white shirt about the features of a
The definition of ALS-Amyothropic Lateral Sclerosis- being bolded by a yellow marker
A man middle aged boss crosses arms over chest and looks angrily at the guilty subordinate. A businessman in incredulous closed pose holds
Caucasian young male professor in speaking to students in auditorium and explaining material. University concept. Man teacher at high school
A elderly father and middle aged son sit together on a sofa and share a tablet dolly shot
Close up of doctor which presenting report on digital screen on for his international colleagues in clinic
A young Caucasian woman talks to the camera with a smile in a street in an urban area - ends in closeup
A confident young brunette man in a business suit and an in a car dealership tells a man to his wife and little son about what cars are and