The phrase "on point of" can be used to indicate a specific detail or aspect of something. There are multiple synonyms for this phrase, such as "regarding," "pertaining to," "in regard to," and "concerning." These words signify that something is being discussed or addressed in relation to a particular aspect. Other similar phrases that might be used instead of "on point of" include "with respect to," "in relation to," and "as for." By using these synonyms, a writer or speaker can add variety and clarity to their language, creating a more effective and engaging message.