Here's a breakdown:

* Formulas: These represent the chemical compounds involved in the reaction.

* Symbols: These include:

* + (plus sign) to indicate reactants combining

* → (arrow) to show the direction of the reaction (from reactants to products)

* (s), (l), (g), (aq) to denote the state of matter (solid, liquid, gas, aqueous solution)

* Δ (delta) to indicate heat is added

* ↑ (upward arrow) to indicate a gas is produced

* ↓ (downward arrow) to indicate a precipitate is formed

Example:

The reaction of hydrogen gas with oxygen gas to form water:

2H₂(g) + O₂(g) → 2H₂O(l)