nouns
an unbroken series of events
"had a streak of bad luck"; "Nicklaus had a run of birdies"
a distinctive characteristic
"he has a stubborn streak"; "a streak of wildness"
is a type of (narrower)
a distinguishing quality
a narrow marking of a different color or texture from the background
"a green toad with small black stripes or bars"; "may the Stars and Stripes forever wave"
a sudden flash (as of lightning)
is a type of (narrower)
a sudden intense burst of radiant energy