Structural formula is a two dimensional representations of the arrangement of the atoms in molecules. Atoms are represented by their element symbols and covalent bonds are represented by lines. The symbol for carbon is often not drawn.
Generalic, Eni. "Structural formula." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.
Glossary
Periodic Table