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After Effects Nomenclature


A property in After Effects refers to timeline layer components that can be changed or animated using expressions and keyframes1. These include basic properties such as position, scale, and opacity. Properties can also be added when you create masks and effects. A property can be controlled and animated directly in the timeline, or you can connect an expression control, via an expression, to control the property.

After Effects standard properties

The standard set of transform properties available in an After Effects layer.

1A property in JavaScript is a value that is stored in an object. Because Adobe After Effects uses the term property to refer to timeline layer components, Java Script properties are referred to as attributes or methods. Usually, an attribute refers to an existing value; a method does something to create a value.

WOTM: Animation & Digital Puppet Terms graphic
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