"... The reader will receive the necessary basic knowledge in six areas of the game – tactics, positional play, strategy, the calculation of variations, the opening and the endgame. ... To make the book entertaining and varied, I have mixed up these different areas, ..." - GM Artur Yusupov (2008)
"... Create a plan right away or you may float without a goal for the rest of the game. ... Passive planless play will lead to a loss every time. ... Don't just react to the opponent's plans. Find an active idea and follow it with as much energy as you can muster. On the other hand, don't get carried away with your own ideas and forget that you have an opponent. Take his plans into account and make adjustments when necessary." - IM Jeremy Silman in The Amateur's Mind
Exactly. And I don't consider "attack the king" or "play on the kingside" a real plan, even though it can last many moves.
It's too unstructured and not specific enough. It's more to be described as "what you should do, given the position/structure".