feuilles

In a sentence

• Les feuilles des arbres tombent en automne.

  Leaves of the trees fall in autumn.

  Here, 'feuilles' refers to the leaves of trees, which are parts of nature.

• Je dois organiser mes feuilles de papier pour la réunion.

  I have to organize my sheets of paper for the meeting.

  'Feuilles' is used to indicate sheets of paper, understood in an organizational context.

• Les feuilles de calcul nous aident à analyser les données.

  Spreadsheet assists us in analyzing data.

  Here, 'feuilles' is part of the term 'feuilles de calcul,' referring to spreadsheets, a technical context.