A method or means for achieving a particular result, especially when direct or efficient; a resource.
Suitable to effect some desired end or the purpose intended.
Governed by self-interest, often short-term self-interest.
Affording short-term benefit, often at the expense of the long-term.
Anything used metaphorically to conceal or distract.
Smoke used as a disguise, mask or cover, as of troops in battle.