The toolbar of composition:builder provides so called 'components' you need in your daily workflow: Simple text elements, several shapes, images, movies and XML components. This document is a reference where each component is explained in detail.
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Fonts & Colors: Components have several general attributes: position, size and opacity. Text components usually also have different font attributes which are mostly derived from the RTF standard. They are formatted with the standard OS X macOS font- and color panels which can be accessed by clicking the appropriate attribute in the Inspector – or by using the shortcut command + T.
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