Using the above analogy, the supply chain can be considered the entire chair, while procurement and sourcing are parts of the chair. Procurement Procurement is the process of getting the goods and/or services your company needs to fulfill its business model.
The use of street address meaning just the line with number and street name is (valid) jargon usage within a technical industry, but it's not so commonly understood that way by the general public.
This system requires you to enter a street address along with a city and state OR a zip code. You do not need to fill in all four fields. Make sure that your address is accurate. If it is a street, do not enter it as an avenue or boulevard, etc. Do not include apartment numbers with the street number and address.