plenary session; general meeting; plenum
A meeting where all members of a group or organization are expected to attend, often used in formal or organizational contexts.
All employees are scheduled to attend the plenary session next week.
The new policy was announced at the general meeting.
総会 is often used for formal general meetings of organizations, such as shareholders' meetings or annual general meetings, while 全体会議 is broader and can refer to any meeting of all members.
会議 is a general term for a meeting or conference, while 全体会議 specifically emphasizes that all members are involved.
Compound of 全体 (whole, entire) and 会議 (meeting, conference).