The phrase "abstract tactic" is correct and usable in written English.
It can be used to describe a strategy or approach that is theoretical or conceptual rather than practical or concrete.
Example: "In our discussion, we explored the abstract tactic of using game theory to analyze competitive behavior in markets."
Alternatives: "theoretical strategy" or "conceptual approach".
Search engine optimization (SEO) has historically been a tricky game filled with speculation and increasingly abstract tactics to keep up with Google's ever-more-sophisticated algorithmic changes.
At an abstract level, all tactics are about space.
In the end, Neel, like Davis, benefited from the bolder tactics of Abstract Expressionism and Pop, making her work an indelible part of postwar American art.
However, it is one thing to analyze tactics in the abstract but entirely another thing to put theory into practice under different circumstances, on different kinds of terrain, against different kinds of enemy, with the aid of troops who may be tired or confused or recalcitrant, and amid every kind of mortal danger.
Picabia's penchant for piling figures into elegant linear tangles was especially influential, and this exhibition underscores the success of that tactic in his later abstract work.
Referring to mistakes in the abstract seems to be a common tactic for those at high levels of power.
For a pretty abstract kind of crime, the governments tactics were severe, as if it were dealing with a genuine terrorist.
(This allover tactic influenced Jackson Pollock and other Abstract Expressionists, for some of whom Gorky was a mentor). Elsewhere, the view tends upward.
As the organization acknowledged in its pamphlet on Nazi speech, it was a "practical tactic" as much as an "abstract principle". The balances have shifted dramatically since the 1930s.
For a pretty abstract kind of crime, the government's tactics were severe, as if it were dealing with a genuine terrorist.
