The following video demonstrates each syllable of the pinyin structure
and the exercise of pinyin/zhuyin with basic Chinese 4-tune pronunciation

Mandarin pinyin tunes
Click the framed calligraphic Chinese symbol icons
to link more related multi-character Chinese words!

guāng, guáng, guǎng, guàng

first tune

guāng

light 光 guāng

sunshine 陽光 yáng guāng
sun 陽 yáng	light 光 guāng

Chinese characters also pronunced guāng

third tune

guǎng

wide; extensive 廣 guǎng

vast and extensive; widespread 廣大 guǎng dà
wide; extensive 廣 guǎng	big; great 大 dà

Chinese characters also pronunced guǎng

fourth tune

guàng

stroll; roam 逛 guàng

window-shopping; lounge about the streets 逛街 guàng jiē
stroll; roam 逛 guàng	street 街 jiē