The user-friendly path for a content itemA individual item of content. For example, a page, a news article, and an event are all content items, which correspond to the Page, News, and Event content types, respectively. or taxonomy termA term is an individual item that belongs to some taxonomy vocabulary, typically used for categorizing content. For example, a vocabulary "Colors" may have terms in it "Red", "Green", "Blue". that replaces the system pathAll pages in Drupal have a system path, which usually has a number in it that corresponds to an ID. For example, all content items have a system path /node/[id], and all taxonomy terms have a system path of /taxonomy/term/[id]. Usually URL aliases are created for system paths. . For example, /my-page can be an alias for /nodeExactly the same as "content item". The term "node" is Drupal's terminology, but WDS prefers to use "content item" which is easier to understand. /123.