Question

Advantage and disadvantages of conventional signs and symbols

Answer 1

Advantages: 
Symbols can be understood by people who do not speak the language 
Symbols can be understood by people who are illiterate 
Symbols can serve as additional reminders or supplemental illustration to text instructions 
Symbols are more eye-catching than text 

Disadvantages: 
Symbols may be misunderstood by people unfamiliar with them 
Symbols cannot be copied and printed as easily as text, some label makers do not have symbols 
Symbols cannot be easily transcribed into words for voice or Braille for the blind 
Some similar symbols can be easily mistaken for one another by people unfamiliar with them
Symbols may be confusing: the sun can represent morning, noon, or afternoon. 
Symbols can distract from important text instructions

Answer 2

Advantages: 

Symbols can be understood by people who do not speak the language 

Symbols can be understood by people who are illiterate 

Symbols can serve as additional reminders or supplemental illustration to text instructions 

Symbols are more eye-catching than text 

Disadvantages: 

Symbols may be misunderstood by people unfamiliar with them 

Symbols cannot be copied and printed as easily as text, some label makers do not have symbols 

Symbols cannot be easily transcribed into words for voice or Braille for the blind 

Some similar symbols can be easily mistaken for one another by people unfamiliar with them

Symbols may be confusing: the sun can represent morning, noon, or afternoon. 

Symbols can distract from important text instructions.