# Glossary

<table><thead><tr><th width="151.52285251765076">Term</th><th width="175.47068698759097">Synonyms</th><th>Description</th></tr></thead><tbody><tr><td>Entity</td><td>Field, entity type</td><td>An entity is a piece of information to be extracted from a document. Entities can have properties like <em>required</em> or <em>maximum unique occurrences</em>. </td></tr><tr><td>Value</td><td>Annotation, label, entity value</td><td>A specific instance of an entity like an annotation or a prediction. E.g. <code>2022-02-13</code> is a value of entity <code>Document date</code></td></tr><tr><td>Annotating</td><td>Labeling</td><td>The process of marking or highlighting values of entities in a specific document.</td></tr><tr><td>Document</td><td></td><td>In Metamaze, a document is a logical set of pages that is assigned exactly one document type. E-mails are treated as documents as well.</td></tr><tr><td>Upload</td><td>Batch</td><td>An upload is a logical set of one or more files to be treated together.</td></tr><tr><td>Text entity</td><td></td><td>Entity consisting of text that is recognised on the document.​</td></tr><tr><td>Image entity</td><td>Object detection</td><td>Any entity to be recognised that is not text. For example: signatures, handwriting, stamps, logo’s, …</td></tr><tr><td>Composite entity</td><td>Entity group</td><td>A group of entities that belong together. For example: address consisting of street, number, city, … or an order line consisting of item description, item amount, item price, total price, …</td></tr><tr><td>Page management</td><td></td><td>The process of merging and splitting individual pages and files into one or more document(s).</td></tr><tr><td>Parsing</td><td></td><td>Standardising raw input values into a structured format. For example standardising a date like “April 24th, 2020” to “2020-04-24”. Applies to dates, numeric values, currencies, …​</td></tr><tr><td>OCR</td><td></td><td>Optical Character Recognition is the process of converting scanned images to actual text.</td></tr></tbody></table>