All pages in Drupal have a 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. , which usually has a number in it that corresponds to an ID. For example, all content items have a system path /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. /[id], and all taxonomy terms have a system path of /taxonomy/term/[id]. Usually URL aliases are created for system paths.