Meaning 1:
Corporate Data Standards
Meaning 2:
Corporate Date Standards. A typo. Should be Corporate Data Standards.
Meaning 3:
Correlated Double Sampling.
Meaning 4:
Crashworthiness Data System (NHTSA detailed data on a representative, random sample of thousands of minor, serious, and fatal crashes. There are 24 field research teams that study about 5,000 crashes a year involving passenger cars, light trucks, vans, and utility vehicles.)