Repetition needs an explanation
A repeated number, object or phrase can matter, but frequency alone does not identify its cause. The same form may reuse a standard phrase; a number may be an inventory code; an object may remain in a room for years. First determine whether the repetitions are independent and whether their contexts support the connection you are proposing.
Worked example: the number on a bench
A four-digit number appears on a bench plate and in a local account. It is tempting to interpret it as a year connecting the two. A catalogue might instead identify the plate number as a stock code. Once that explanation is supported, the visual match loses much of its force as evidence of a shared historical event.
Ask for a mechanism
A useful pattern has a plausible, supported link: the same account, a documented transfer, a repeated action by an identified person or an explicit reference between records. In Somatry, avoid treating a recurring detail as a secret instruction merely because mystery fiction encourages close attention. Keep the observation, then test the proposed connection. A pattern becomes persuasive when its relationships can be explained, not just when several instances can be circled in matching ink.