I don't really define trends.
I've seen people say a trend is two HHs and HLs.
Or a low, HH, HL, HH.
Or an HH, HL, HH.
I've seen plenty of LLs follow HHs.
...and then make another HH.
I don't know where the trend is then.
But I've also seen some textbook HH HL HH HL trends...