What do the different streak colors mean? Why do they keep changing?

[mark.e]

Sometimes they’re blue sometimes This silver color and I think they use to be green or yellow at some point?

[AcquiringALanguage]

Hi MarkE, this link explains why the colours change:
https://lingq.wixanswers.com/kb/en/article/whats-the-streak-and-how-do-i-maintain-it

[mark.e]

Oh cool! I didn’t know that Thank You!