This is the 49th most frequent Chinese word.
其
"其" means "its," "his," "her," "their," "that," or "such," depending on context.
In this sentence, '其' acts as a possessive pronoun for '目的' (aim), meaning 'its'.
其目的在于推动创新。
Its aim is to promote innovation.
Here, '其' is used as a possessive pronoun meaning 'his' or 'her', referring to the subject's child.
其子学校表现优异。
His child performs excellently at school.
Here, '其' is again a pronoun referring to the 'result' we discussed, implying the respective subject's result.