__ is an introduction to a formal document that explains the document's purpose. a. preamble b. homage c. brevity d. jeopardy

## Step 1<br />The question is asking for the term that refers to the introduction of a formal document that explains the document's purpose. The options provided are: a. preamble, b. homage, c. brevity, and d. jeopardy.<br /><br />## Step 2<br />The term 'preamble' is used to describe the introduction of a formal document that explains the document's purpose. It sets the stage for the rest of the document and provides context for the reader.<br /><br />## Step 3<br />The term 'homage' refers to respect or reverence, 'brevity' refers to the quality of being brief or concise, and 'jeopardy' refers to danger of loss, harm, or failure. None of these terms describe the introduction of a formal document.