If you want to index your documents or meetings with Common tags or Custom Types (for example, 1.1. & 1.2. etc.), we suggest you add zero to every index's beginning (01.1, 02.2., 03.3, 09.9, 10.1, 11.1 etc.). In all of our different views, the ordering of the tags is done in the traditional Sort by-method (same as in Folder based systems) and it won't organize the numbers after 10 correctly unless a zero is used in the beginning. If you want to use hundreds in the indexing, you will need to add two zeros in the beginning (001.1, 005.5, 15.5, 100.3) and so on.
Alternatively, you can use the alphabets to organize the material with the Common Tags (see the below screenshot).