This presentation defines key concepts about files and databases. It explains that files are collections of data organized and stored by operating systems, and that effective filing systems allow for easy retrieval. The presentation describes how files are named with a name and extension, and identifies common file types based on extensions like docx, jpg, and html. It also defines databases as organized collections of data that can be easily retrieved, and notes that database management systems help control redundancy, maintain reliability, restrict access, share data, and backup or recover information.