Hangul is a unique alphabet: it is a featural alphabet, where the design of many of the letters comes from a sound's place of articulation, like P looking like the widened mouth and L looking like the tongue pulled in.
hˈæŋɡʌl ɪz ɐ juːnˈiːk ˈælfəbˌɛt: ɪɾ ɪz ɐ fˈiːtʃɚɹəl ˈælfəbˌɛt, wˌɛɹ ðə dɪzˈaɪn ʌv mˈɛnɪəv ðə lˈɛɾɚz kˈʌmz fɹʌm ɐ sˈaʊndz plˈeɪs ʌv ɑːɹtˌɪkjʊlˈeɪʃən, lˈaɪk pˈiː lˈʊkɪŋ lˈaɪk ðə wˈaɪdənd mˈaʊθ ænd ˈɛl lˈʊkɪŋ lˈaɪk ðə tˈʌŋ pˈʊld ˈɪn.