You will see different items in this section depending on your role.
For dictionary owner: All the items in the management section will be enabled. (Dictionary, Users, Areas of expertise, Workspaces, Requests)
For experts: There are 'Workspaces, Requests' in this section available for submitting propositions and validating requests related to their area of expertise.
For contributors: There are only 'Workspaces' in this section for submitting propositions.