noun, noun or participle which takes 'suru', transitive verb
maintenance; upkeep; preservation
Refers to keeping equipment, systems, or conditions in good working order. Often used in technical and IT contexts.
システムの保守は専門の業者に任せている。
We leave the maintenance of the system to a specialist contractor.
This machine requires regular maintenance.
noun
conservatism; conservativeness; conservation
Used in political, social, and cultural contexts to describe a conservative stance or the act of preserving traditions. The gloss 'conservation' is less common and overlaps with sense 1.
彼は保守の立場から発言した。
He spoke from a conservative standpoint.
この地域では伝統の保守が重視されている。
In this region, the preservation of tradition is valued.