|   Syntax  | 
      Description  | 
  
  
    |   clk  | 
      specifies the item clk in the current environment  | 
  
  
    |   /top/clk  | 
      specifies the item clk in the top-level design unit.  | 
  
  
    |   /top/block1/u2/clk  | 
      specifies the item clk, two levels down from the top-level design unit  | 
  
  
    |   block1/u2/clk  | 
      specifies the item clk, two levels down from the current environment  | 
  
  
    |   array_sig(4)  | 
      specifies an index of an array item  | 
  
  
    |   {array_sig(1 to 10)}  | 
      specifies a slice of an array item in VHDL syntax  | 
  
  
    |   {mysignal[31:0]}  | 
      specifies a slice of an array item in Verilog syntax  | 
  
  
    |   record_sig.field  | 
      specifies a field of a record  |