Concatenation (Formal Systems)/Examples/Arbitrary Example 1

Example of Concatenation in the context of Formal Systems
Let $a, b, c \in \AA$.

Then concatenating $b$ to $a$ results in the word $ab$, and concatenating $c$ gives the word $abc$. Concatenating $b$ then gives $abcb$.

Concatenating $aba$ to $aabcba$ gives the word $aabcbaaba$.