A technique would be a method of doing things, like "Sprinkle with pixie dust to ensure perfect points"
Strip piecing, rotary cutting, and applique are all techniques.
I see a lot of traditional patterns being sold, both as patterns or kits, whic are just combinations of classic blocks, dressed up in designer fabric. I really can't tell where the lines are. I used to colllect antique quilts, and see many of those blocks emerging as "new" again