The boundary of a convex set is always a convex curve. The intersection of all convex sets containing a given subset A of Euclidean space is called the convex hull of A. It is the smallest convex set containing A.
Rector (ecclesiastical) A rector is, in an ecclesiastical sense, a cleric who functions as an administrative leader in some Christian denominations, and in Islam. In contrast, a vicar is also a cleric but functions as an assistant and representative of an administrative leader.
Chiefly British. a member of the clergy employed to assist a rector or vicar. 2. any ecclesiastic entrusted with the cure of souls, as a parish priest. verb (used with object), curated, curating. 3. to take charge of (a museum) or organize (an art exhibit): to curate a photography show.