fitness (n) /ˈfɪtnəs/ health and strength
flash (n) /flæʃ/ light or bright colour on a dark background
indicator (n) /ˈɪndɪkeɪtə/ sign
regulations (n) /ˌreɡjuˈleɪʃənz/ rules
significant (adj) /sɪɡˈnɪfɪkənt/ 1 not by chance
2 with an important meaning
unintentional (adj) /ˌʌnɪnˈtenʃənəl/ not planned