"Carefully" is an adverb, which describes how something is done. "Careful" is an adjective, which describes a quality or characteristic.
For example:
* Adverb: He carefully placed the vase on the table.
* Adjective: She was a careful driver.
"Carefully" is an adverb, which describes how something is done. "Careful" is an adjective, which describes a quality or characteristic.
For example:
* Adverb: He carefully placed the vase on the table.
* Adjective: She was a careful driver.