In this chapter:
The term does not include the gathering of a quorum of a governmental body at a social function unrelated to the public business that is conducted by the body, the attendance by a quorum of a governmental body at a regional, state, or national convention or workshop, ceremonial event, or press conference, or the attendance by a quorum of a governmental body at a candidate forum, appearance, or debate to inform the electorate, if formal action is not taken and any discussion of public business is incidental to the social function, convention, workshop, ceremonial event, press conference, forum, appearance, or debate.
The term includes a session of a governmental body.
Tex. Gov't. Code § 551.001