Further Reading: What is processing?

Processing includes the collection, recording, organisation, structuring, storage, adaptation or alteration, retrieval, consultation, use, disclosure by transmission, dissemination or otherwise making available, alignment or combination, restriction, erasure or destruction of personal data.

Processing does not apply to purely verbal, unrecorded communications

References:

Article 4(2) and (6) of the GDPR
Section 3 of the DPA 2018

Cases:

David P Scott v LGBT Foundation
[2020] EWHC 483 (QB)