These are the “Main Modalities” , each one encompasses many other more “specific” modalities. Click on any of the links below to load a page with the description of the modalities first thing on that page:

Types of listed:

There are many other modalities not listed here, these are more “specific” ones. A specific modality will be upgraded to become a “Main Modality” and get listed above (along with a note indicating the date it was upgraded) if it is used often enough and is general enough to encompass multiple specific modalities. We use specific modalities to help Google and other search engines index this website, but for humans we like to keep it simple with the Main Modalities shown on this page.