Cloud Computing
The on-demand availability of computer system resources, especially data storage (cloud storage) and computing power, without direct active management by the user. [Wikipedia link]
Data Governance
Data Governance refers to all actions taken over the entire life-cycle of data to make sure that it is secure, accurate, private, available, and usable. [Wikipedia link]
Data Lake
A repository of data stored in its natural/raw format, usually object blobs or files. [Wikipedia link]
Data Warehouse
A central repository of integrated data from one or more disparate sources. [Wikipedia link]
Extract, transform, load (ETL)
A three-phase process where data is extracted, transformed (cleaned, sanitized, scrubbed) and written (loaded) to a data destination. [Wikipedia link]