The suggested length for link urls is between 1-500 characters The suggested length for channel titles is between 1-40 characters The suggested length for channel titles is between 1-100 characters The suggested length for channel descriptions is between 1-500 characters in length The suggested length for item descriptions is between 1-500 characters in length The suggested length for textinput descriptions is between 1-100 characters in length The suggested length for textinput names is between 1-500 characters in length The suggested length for image urls is between 1-500 characters in length