ЗНАК _|_ SIGN / ZNAK [znak]          

Hint with an alternative definition: a clearly visible sign, token or mark, bearing a short message in words (kennings, kens) or pictures, just like nice icons on coins and zone of nicks on a tree / the logic of any sign = I see > I know > I acknowledge

Hints with translation + consonant words (by sounds or letters): S — sign is like a snake / sneaky signs of cons

Hints with related words: like a Zodiac sign

Mental visualization: З (sign in the clouds) + H (sign as a line on paper or in sand) + A (folded palms as a sign) + K (sign as a branch)