The leaf is an organ of plants.
Before entering fully into the meaning of the term leaf , we are going to proceed to discover its etymological origin. In this case, we have to establish that it derives from Latin, specifically from the word folium , which can be translated as "leaf." That word that, in turn, emanates from the Greek phyllon .
The notion of leaf has more than a dozen meanings according to the dictionary of the Royal Spanish Academy ( RAE ). The first of them refers to the flat sheets that are attached to the branches or stem of vegetables .
The leaf in botany
Leaves, therefore, are plant organs whose most important functions are the development of photosynthesis and transpiration . Throughout its life, a plant has different types of leaves.
The thin, flat part of the leaf, which consists of two faces, is called the lamina . The petiole , meanwhile, is the small structure that joins the leaf to the stem, while the stipule is the appendage found on the sides of the petiole.
A sheet of paper is a sheet that is used to write or draw on its surface.
a sheet
Sheets of any type of material , such as paper , wood or plastic, are also known as sheets. In this framework, sheets of paper have been used for a long time as a support for the written word and other content.
Books , therefore, are made up of pages, just like notebooks . Letters, numbers, drawings, etc. may be printed on the sheets, or a person may write and draw on them. For example: «Can I borrow a sheet? "I need to write something," "I have a notebook whose pages are full of drawings of my children," "The man, enraged, tore the pages of the book and threw them into the fire."
Blade of a window or knife
The closing and opening parts of a window or door are also called sashes: "The wind tore a sash from the window," "If the door sashes are closed, knock to announce yourself."
The blade of a tool or a knife is called a blade: "The kidnapper placed the blade of the knife on the victim's cheek to instill terror in him," "The blade of the knife tore the flesh easily."
The term in different expressions
However, we cannot ignore the existence of other terms that use the word in question. This would be the case of the following:
– Roadmap . This name refers to a document that collects all the activities, instructions and even incidents that have taken place during a trip. However, although this is its original meaning, we have to know that in recent years it has begun to be used within the political sphere to refer to the set of plans or actions that the government or a specific party has.
– Complaints sheet , for its part, we have to indicate that it is a document, also called a book, that is made available to the customer of any establishment so that, if they wish, they can record in it a complaint regarding the service that has been provided or the good that has been purchased.
– Spreadsheet is, on the other hand, a document that is used in specific computer programs with the objective of being able to carry out the manipulation and operation of a set of alphanumeric or numerical data.