Answer:
A slide pane
Explanation:
a feature available in some programs, usually found on the left side of the window.
 
        
             
        
        
        
Application of a new technology and is much superior to rival products
        
             
        
        
        
I think coders put in codes. Sry if that does not help.
        
             
        
        
        
A string is generally considered as a data type and is often implemented as an array data structure of bytes (or words) that stores a sequence of elements, typically characters, using some character encoding. String may also denote more general arrays or other sequence (or list) data types and structures.