Actually I think that I am maybe managing to understand better now. I 
searched for the words which are already written in the sign puddle. And I 
managed to pick up the following matches:

THE
Video - http://cats.gatech.edu/cats/MySignLink/dictionary/html/pages/the.htm

Written Sign - http://www.signbank.org/signpuddle2.0/glyphogram.php?
text=AS1fb00S2d604S1fb20M36x16S1fb00n37xn14S1fb2021xn16S2d604n14x3&
pad=10&name=the

CAT
Video - http://cats.gatech.edu/cats/MySignLink/dictionary/html/pages/cat.htm

Written Sign - For this sign there is not the exact form in written sign language 
as in the video since if I am noticing correctly in the following URL the 
translator is touching the 
cheek...http://www.signbank.org/signpuddle2.0/glyphogram.php?
text=AS1d410S20e00S26a06S30006M56x24S30006n18xn18S20e0013x11S26a06
42xn3S1d41015xn14&pad=10&name=cat ... May I ask you if I am understanding 
right please?

IS
Video - http://cats.gatech.edu/cats/MySignLink/dictionary/html/pages/is.htm

Written Sign -http://www.signbank.org/signpuddle2.0/glyphogram.php?
text=AS33b00S19210S20500S26504M19x47S33b00n18xn18S20500n34x12S2650
4n36x32S19210n2x11&pad=10&name=is

WHITE
Video - 
http://cats.gatech.edu/cats/MySignLink/dictionary/html/pages/white.htm

Written Sign - http://www.signbank.org/signpuddle2.0/glyphogram.php?
text=AS14c02S26500S18501M17x30S14c02n16x7S265001xn10S18501n10xn30&
pad=10&name=white

I really appreciate if someone would be able to confirm that I am on the right 
track or not if possible please.

Thanks and Regards
Marquita