A recurring image or idea
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repeated phrase or motif
Theme.
motif (music) = el motivomotif (narrative) = el tópico literario motif (visual arts) = el motivo
They decorated the nursery in pastel colors and a teddy bear motif.
A motif
motifs
Freedment is not a word, so there is no definition.
According to Wikipedia, a succinct definition is: "A narrative motif can be created through the use of imagery, structural components, language, and other narrative elements."
Ocean
shaky
Parliament
The best definition for the word undercurrent describes a move. Undercurrent is the tendency for a variance or underlying action that creates a change.