1. When you create a design appears a dialogue with the three fields: Name, Alias, Comment. When renaming - a dialogue with one field: Name. Please do that flew dialogue similar creation.
2. In the right window (in the list of elements) in the context menu to add an item Rename.
Hot-Rename the design elements that contain aliases, it is dangerous that if the name of the element of design is a space, then all that is after the first space, goes into alias, so the current alias overwritten.
3. Return the window properties for Alt+Enter, with which you can rename a design element from the inside. Let there be two alternatives for working with properties. If you rename the library using the context menu (outside), even after RALS when handling of the library, from causing its design elements, sometimes appears error uselsx...