Yes. It might even be that what is tactical on one level is strategical on another. For example: an investment agency might have as a strategy: "we do arbitrage

Yes. It might even be that what is tactical on one level is strategical on another. For example: an investment agency might have as a strategy: "we do arbitrage on different markets that have latency between them". A tactic might be: "We use AI to optimize our decisions". On for the people involved with the AI, the decision of AI is strategical, and the tactics are like "do we use NNs ? or statistical modelling, or both or ... ?"