A lecture is a simple event to announce a talk.
Features: poster creation, participant management, ...
A meeting is an event that defines an agenda with multiple talks.
Features: timetable, minutes, poster creation, participants management, ...
A conference is a complex event with features to manage the whole life cycle of a conference.
Features: call for abstracts, registration, e-payment, timetable, badges creation, paper reviewing,...
Archive of TF meetings before 2021, and relevant TM meetings before 2025.
TM-Science link: https://indico.cern.ch/category/13379/ (as of Jan 2025 in MMM section)
