The following Table shows provisions defining or otherwise explaining expressions used in this Act (other than provisions defining or explaining an expression only used in the same section or Schedule)—
| accessible record | section 68 |
| address (in Part III) | section 16(3) |
| business | section 70(1) |
| the Commissioner | section 70(1) |
| credit reference agency | section 70(1) |
| data | section 1(1) |
| data controller | sections 1(1) and (4) and 63(3) |
| data processor | section 1(1) |
| the Data Protection Directive | section 70(1) |
| data protection principles | section 4 and Schedule 1 |
| data subject | section 1(1) |
| disclosing (of personal data) | section 1(2)(b) |
| EEA State | section 70(1) |
| enactment | section 70(1) |
| enforcement notice | section 40(1) |
| fees regulations (in Part III) | section 16(2) |
| government department | section 70(1) |
| health professional | section 69 |
| inaccurate (in relation to data) | section 70(2) |
| information notice | section 43(1) |
| Minister of the Crown | section 70(1) |
| the non-disclosure provisions (in Part IV) | section 27(3) |
| notification regulations (in Part III) | section 16(2) |
| obtaining (of personal data) | section 1(2)(a) |
| personal data | section 1(1) |
| prescribed (in Part III) | section 16(2) |
| processing (of information or data) | section 1(1) and paragraph 5 of Schedule 8 |
| public register | section 70(1) |
| publish (in relation to journalistic, literary or artistic material) | section 32(6) |
| pupil (in relation to a school) | section 70(1) |
| recipient (in relation to personal data) | section 70(1) |
| recording (of personal data) | section 1(2)(a) |
| registered company | section 70(1) |
| registrable particulars (in Part III) | section 16(1) |
| relevant filing system | section 1(1) |
| school | section 70(1) |
| sensitive personal data | section 2 |
| special information notice | section 44(1) |
| the special purposes | section 3 |
| the subject information provisions (in Part IV) | section 27(2) |
| teacher | section 70(1) |
| third party (in relation to processing of personal data) | section 70(1) |
| the Tribunal | section 70(1) |
| using (of personal data) | section 1(2)(b). |