# Constants

* [Key Events](https://luadoc.edgetx.org/edgetx_2.4/part_iii_-_opentx_lua_api_reference/constants/key_events)
* [Touch Events](https://luadoc.edgetx.org/edgetx_2.4/part_iii_-_opentx_lua_api_reference/constants/touch-event-constants)
* [Flags and Patterns](https://luadoc.edgetx.org/edgetx_2.4/part_iii_-_opentx_lua_api_reference/constants/flags-and-pattern-constants)
* [Colors](https://luadoc.edgetx.org/edgetx_2.4/part_iii_-_opentx_lua_api_reference/constants/color-constants)
* [Screen size](https://luadoc.edgetx.org/edgetx_2.4/part_iii_-_opentx_lua_api_reference/constants/screen-constants)