# What's a Container?

**URL:** <https://forum.kirupa.com/t/whats-a-container/259462>\
**Category:** flash\
**Created:** [May 5, 2008, 5:35pm UTC](https://forum.kirupa.com/t/whats-a-container/259462 "2008-05-05T17:35:05Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![vivaretro](https://avatars.discourse-cdn.com/v4/letter/v/a3d4f5/32.png) [@vivaretro](https://forum.kirupa.com/u/vivaretro)\
**Post date:** [May 5, 2008, 5:35pm UTC](https://forum.kirupa.com/t/whats-a-container/259462/1 "2008-05-05T17:35:05Z")

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Hey,  
working with changing depths of instances and it says I have to have them all in a container  
first. So, what’s a container? Also, how do I swap depths once I get them in some kind of container?