# Core Concepts

Definitions for the terms used throughout the BetterMenu guide and API. Each page explains what a concept is, how BetterMenu uses it, and how it relates to other concepts.

- [Food](/docs/guide/concepts/food) — Raw ingredients and composed dishes
- [Ingredient](/docs/guide/concepts/ingredient) — A single food item used in a recipe
- [Recipe](/docs/guide/concepts/recipe) — A combination of ingredients used to prepare a meal
- [Nutrient](/docs/guide/concepts/nutrient) — The nutritional substances in a food
- [Nutrition Fact](/docs/guide/concepts/nutrition-fact) — A nutrient value expressed per serving
- [Serving Size](/docs/guide/concepts/serving-size) — The standard portion used for nutrition labeling
- [Added Sugars](/docs/guide/concepts/added-sugars) — Sugars added during processing, and why they cannot be measured
- [Measurement Unit](/docs/guide/concepts/measurement-unit) — Units of quantity used in recipes
- [Recommended Daily Intakes](/docs/guide/concepts/recommended-daily-intakes) — FDA daily values used for %DV calculations
- [Diet](/docs/guide/concepts/diet) — Dietary classifications a recipe may meet
- [Claim](/docs/guide/concepts/claim) — Nutritional or health claims a recipe may make
- [Recipe Version](/docs/guide/concepts/version) — A permanent record of a recipe at a point in time
- [Audit Trail](/docs/guide/concepts/audit-trail) — A complete log of every action taken on a recipe