The shoot day and the advertising life are different things
A model can work for one day while the resulting image runs for months across billboards, retail, websites and paid social. Usage defines that commercial life: where the asset appears, for how long and in which territory.
Clear scope protects both sides because the brand knows what it can publish and the model can price the opportunity against the exposure and restrictions involved.
Cross-border use should be explicit
Lesotho campaigns frequently sit near the South African market. If content will run in both countries, regional digital media or wider Southern Africa, that territory should be written into the agreement rather than assumed.
The best agreements are understandable before production begins and specific enough that later extensions can be negotiated cleanly.