The locative case is added to nouns to mean "in", "at", or "on".
Although the locative case can be translated into English using different words ("in", "at", "on") depending on the context, there is some commonality in each word's meaning. The commonality seems to be that the English words indicate a proximity to the location in reference.
The locative case, along with the dative case, is one of the most often used cases.
The case suffix -இடம் is affiliated with the locative case, but it takes on only a few specific meanings that are all different. Some meanings resemble the locative case, while sometimes it is used the way the dative case is. We will postpone it for later.
The ablative case means "from".
The exceptions to this are the words அவன்கு, இங்கு, and எங்கு: