His target is the opponent's weak point.
The objective of this project is to attract younger customers.
Standard spelling using どころ (a common suffix meaning 'point' or 'place').
Alternate kanji spelling using 所; less common but still seen.
Compound of 狙い (ねらい, 'aim') + どころ (a suffix meaning 'point' or 'place', derived from 所). The exact historical derivation of どころ is uncertain, but it is a common suffix in Japanese.