The term covers everything from directory submissions to a passing mention in a regional guide.
In practice, getting this right buys a better click-through rate without touching the website at all. In most cases, handle the high-authority sources by hand and batch the long tail afterwards. A profile can look perfect on the surface and still carry orphaned listings underneath.
For the most part, disagreement between sources forces review platforms to guess, and a guess is rarely favourable. Anything unverifiable should be removed rather than corrected. The cost of an inconsistent phone number is not a penalty; it is being quietly ranked below someone tidier.
Almost always, where whoever updates the website has changed twice, expect a broken website field somewhere in the profile. Owners often notice phone taps moving before they notice the ranking change itself.
The order matters: refresh first, then document, and only then submit anywhere new, which is worth planning around. For the most part, a misplaced service area costs more in a dense market across several trading areas than it does in a quiet one. As a rule, it is one of the cheapest routes to visibility in the map pack still available within a single postcode.
What follows from this is that most damage here is self-inflicted: duplicate profiles introduced during a rebrand or a move. Claim what exists before creating anything new; duplicates are harder to remove than to avoid. Realistically, local directories weigh source quality as well as source count, so where a citation sits matters.
See also