Not every Faculty / School uses FeedbackFruits. The Workshop activity in Moodle is a peer assessment tool that involves students submitting their work, which is then distributed to their peers for assessment. Note that it does not replicate every feature available in FeedbackFruits.
Moodle Assignment is an assessment activity that allows students to submit work (individually or in groups) for grading and feedback.
Moodle Quiz is an assessment activity for students to undertake self-marking tests.