input: [EITAS] 1194.21(a) [Category] Software Applications and Operating Systems [Supporting Features] Supports. Keyboard access exists for functions that can be identified with text labels. A mouse or other pointing device is not required for any of these functions. [Summary of Supported] Supports [Section 508 Rule] 
output: When software is designed to run on a system that has a keyboard, product functions shall be executable from a keyboard where the function itself or the result of performing a function can be discerned textually.