This is the main organization name. This is used to link resource to its group/tenant/organization/enterprise. Then using in path for GET you can set to "~" to use the domain name linked to your token/key instead of the domain name itself when reading for your own domain.

This is a simple explanation of what the audio is and can include what is said in the audio file for explanation.

Setting yes will allow the API to attempt to convert the file from accepted formats into the correct format for media playback

When synchronous is requested with "yes" the response will be a 200 on success and will contain a valid JSON representiation of the new resource. If no or left off request a 202 "Accepted" will be given in a success case and this can be considered a success. Synchronous responses will be a little slower as the API will process the geo replication request and wait till the local copy has been written and can be read back berfore sending a response.