An allophone is a particular Phone that realizes a phoneme. Allophones can exist in complementary distribution or in free variation.
/ㅂ/: 비빔밥[pibimp͈ap̚][p]비[pi],[b]빔[bim]/n/:[n̪]tenth[tɛn̪θ],[n]tent[tɛnt],/æ/: cat[kæt], can[kæ̃n]