The short answer
Layer ambient, task and accent light, plan switching before wiring, and specify colour temperature room by room.
Ambient light fills the room, task light supports reading and cooking, and accent light highlights texture or art. Planning the layers early prevents the single-ceiling-light-per-room result that makes interiors feel flat.
Fix circuits, switch positions and colour temperature (warmer in bedrooms, neutral in kitchens and workspaces) before conduits are laid. Changing lighting after plastering is the most avoidable interior expense.
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