1) Locative role 2) Participant role 3) Semantic role 4) Type of grammatical case 
indicating location or place where
• (a.) Indicating place, or the place where, or wherein; as, a locative adjective; locative case of a noun. • (n.) The locative case.
A grammatical case in many Indo-European languages that indicates location.
Loc'a·tive adjective (Gram.) Indicating place, or the place where, or wherein; as, a locative adjective; locative case of a noun. -- noun The locative case.