Pertain (verb)

1. To relate or be relevant to a particular subject or matter.
2. To be appropriate or suitable for a particular purpose.

Origin:

Middle english perteinen, from old french pertenir, from latin pertinēre to stretch, extend, belong, from per- through + tenēre to hold.

Examples:

1. The statement pertains to the current situation.
2. The book pertains to the history of the region.
3. The information pertains to the case.
4. The rule pertains to safety.
5. The remark pertains to the previous discussion.