| Text | Common interface for every entity across the hierarchy of recognized text. |
| Element | Roughly equivalent to a space-separated "word" in most Latin languages, or a character in others. |
| Line | A line of text. |
| TextBlock | A block of text (think of it as a paragraph) as deemed by the OCR engine. |
| TextRecognizer | Finds and recognizes text in a supplied Frame. |
| TextRecognizer.Builder | TextRecognizer Builder. |