This is the 3443rd most frequent French word.
ceci
"This."
In this sentence, 'ceci' is used as a demonstrative pronoun to introduce and point out an object, specifically stating its identification.
Ceci est une pomme.
This is an apple.
'Ceci' in this context is used to refer to an abstract concept or idea that is being discussed or considered.
Ceci me semble une bonne idée.
This seems to me like a good idea.
Here, 'ceci' is utilized to indicate a specific object, matter, or topic for which clarification or comprehension is being sought.