CSV stores tabular data as human-readable plain text: each line is a record, commas separate fields, and the first line often supplies field names. section 10.2
Customer orders
A small online store can keep customer names, addresses, product names, and quantities in one CSV file. The format is easy to read and process, but repeated customer and address data creates redundancy; restructuring the data or separating it into files supports multiple products and addresses more cleanly. section 10.2
