Texting
Text Standard is only available if you have a Standard Device or a Standard instance running that has access to a GSM module.
SMS/RCS is supported by the Standard system and is used to query the system when you do not have access to internet or are not on the same network as the destination system. This is helpful when we have cellular service but the the internet access it not great.
SMS/RCS supports files and other text messaging features. Simply text your Standard Device "When was France founded?" or "What am I supposed to bring to the carry in tomorrow". By pass the internet or using a search web app and get information directly from your device.