Simplify the following text for a Grade 13 native English-speaking person.
Original: Any information may be conveyed by an analog signal ; often such a signal is a measured response to changes in physical phenomena , such as sound , light , temperature , position , or pressure , and is achieved using a transducer .
Simplified: Any information may be conveyed by an analog signal , often such a signal is a measured change in physical phenomena , such as sound , light , temperature , position , or pressure .