Tactics come into play when it is time to put strategy into practice. Depending on how detailed is the strategy, the tactical level has more or less room to explore and create.
Strategies usually give a lot of room to tactics, because it is on the tactical level that the team can better adjust and experiment to reach a strategic objective.
A strategy can point out, for example, that it is vital to have a view of performance on a per-product basis, assuming the brand has many different products. Tactics then come in and resolve ...
