Girl keeps texting me everyday short messages?

I don't know this girl that well but we get along..she claims that she has a boyfriend but I don't know if its true or not. we still are kool with each other...thing is that she sends me texts every morning saying, hey. so ill text her back and she will tell me what she's doing...then I won't hear from her for a few hours and then she will send another cryptic short message consisting of 2-3 words. I only talk to her as a friend but she texts me at least once a day but its not saying much at all but just a few words at a time of what she's doing or whatever...does anyone know what's going on? Like why text me everyday if you have barely anything to say
Updates
+1 y
Also another thing is sometimes she texts me messages I don't understand..in one case I told her to text me when she can type better, she ended up telling me its OK she can text now. sometimes ill tell her to text me later and she will text in like a few hours doing the same thing
Girl keeps texting me everyday short messages?
Post Opinion