PC could be either Pearl Cellulose Blend Fibre, or Poly Cotton. Answer two:
Per Google Answers:
"Actually, for distribution in the US, fabric abbreviations are not permitted, and the name of the fabric should be spelled out in full"
with this reference given:
http://www.ftc.gov/bcp/conline/pubs/buspubs/thread.htm Threading Your Way Through the Labeling Requirements Under the Textile and Wool Acts "...The words of required disclosures cannot be abbreviated, designated by ditto marks, or placed in footnotes..."
Cotton
Nylon
"take care"
The fabric abbreviation WV stands for fleece wool. It also stands for virgin wool. This indicates the makeup of fabric quality.
Personal Computer.
Animal Fur (fake)
My best guess is lycra.
ms like in ms.lee
ea refers to Elastane
Polyethylene
Volkswagen
Polyester is usually abbreviated PES or PET. They probably left off the "E".