召

zhao

to summon, to call to convene (sazvati)

knife (dao) + mouth (kou)

from the upper position of authority a knife guarantees that the calling out for the summoning cannot be ignored

绍

shao

to continue

to connect

to introduce

thread (si) + summon (zhao)

threads secures that the summoning will continue and finally connect people

The silk radical implies deliberate linking, while 召 adds the connotation of bringing something forward

昭

zhao

bright, luminous

clear, illustrious, manifest

sun (ri) + summon (zhao)

to call up the sun to bring bright through the clouds

照

zhao

to shine/illuminate

to reflect, photo

bright (zhao) + fire [biao/huo]

the brightness brought by the fire makes not just the room shine, but one also can take a photo

灬

huo

走

zou

go, walk, run

超

chao

to exceed/surpass

to leap over

to transcend/overtake super-, ultra-

run/walk (zou) + summon (zhao)

to summon all those, who walk faster than an average runner, thus exceeding all the expectation and, therefore, deserving the title super- or ultra-walker