small

Of a size that is less than normal or average; not large in size, amount, or extent.

• She lives in a small apartment in the city center. — Her apartment is not large.
• The child's hands were too small to reach the top shelf. — The child's hands were not big enough.
• We need to make a small adjustment to the plan. — We need to make a minor change.

This word can be used as a noun, typically referring to a small part, amount, or object, rather than an abstract concept of smallness itself. While Japanese can use terms like `小さいもの` (chiisai mono - "a small thing") or `ミニチュア` (minichua - "miniature"), there isn't a direct single-word equivalent for "small" used as an abstract noun representing the quality of being small. English tends to use the adjective `small` or phrases like "the small of" (e.g., the small of the back) or "a small amount" when referring to such concepts. It is sometimes used with "the" to refer to things that are small collectively.

• He began his career working on the small of clocks and watches. — He started by working on the tiny components of timepieces.
• The artist pays attention to the small details of her paintings. — The artist focuses on the tiny, intricate parts.
• She put her hand on the small of his back to guide him. — She placed her hand on the narrow part of his lower back.