What do these icons mean? And where do I get them to put on a new composition? I copied a compostion with them on it, but the new compostion does not have them, and doesn’t perform the way as the original. Thanks

[Walter Soyka]

Those indicate a track matte [link].

The layer below (Image 001) is being masked by the layer above (White Solid 1).

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog – What I’m thinking when my workstation’s thinking
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[Jeremy Patey]

Thanks, that worked!

[Lionel Campoz]

I just started with AE and wonder the same thing!