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Audio Tag

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A tag which can have multiple sources and should have the controls attribute added to allow a user to control when the audio plays.

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Canvas Tag

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Used to draw graphics on a web page using JavaScript. It can be used to draw paths, boxes, texts, gradients, and adding images.

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Em

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A relative measurement which is equivalent to the font size being used. For example, 3em = 3 x the size of the current font.

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iFrame

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A content-holding frame inside of a webpage. It can be altered using programming.

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Image Layouts

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The positioning, alignment and size of media such as a png or jpg.

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MP3

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A compressed sound file which allows for digital storage and transmission.

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MP4

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A digital multimedia container often used to store video and audio data.

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MPEG

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Moving Picture Experts Group, also known as the H.264 format is the most common format for output from video editing software.

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Ogg

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An open container format which is designed to provide for efficient streaming of digital multimedia. It is a royalty-free video format.

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Source Tag

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A tag to specify alternative video/audio/image files which the browser may choose from, based on browser support or viewport width.