The event page contain data entered, team members can add documents and images to this page to prepare the meeting, and discuss together in comment section. So never miss a document or a step. And people can attend the event or meeting, by clicking the Attend button.
Please note that you can modify the template of this page, in space admin section - templates - events and meetings and click edit, and add new macros, or remove the documents or gallery macros from the template, or reorder macros. So the new created event detail page will be customized depending of your company needs. You must keep the macro 'Sc details event', and not remove it. The other macros can be removed.
In fact, the detail page of one event is customizable. If space admin change the template, all newly created events will get the new customized interface.