Signing Savvy is a sign language dictionary containing several thousand high resolution videos of American Sign Language (ASL) signs, fingerspelled words, and other common signs used within the United States and Canada. Signing Savvy is an ideal resource to use while you learn sign language.It includes the ability to view large sign videos, build your own word lists and share them with others, create virtual flash cards and quizzes, print signs, build sign phrases, ...and more.igning Savvy is an ideal resource to use while you learn sign language. It includes the ability to view large sign videos, build your own word lists and share them with others, create virtual flash cards and quizzes, print signs, build sign phrases, ...and more.