| Metric | Description | 
|---|---|
| Blank Lines | Number of blank lines of source (sequence number area content is ignored). | 
| Include Statements | Number of include statements. | 
| Lines with Comments | Number of lines of source containing comments, including inline comments placed on lines with statements. | 
| Number of PCBs | Number of PCBs. | 
| Source Lines | Number of lines of source, including blank lines and comments. | 
| Total Include Statements | Number of include statements in the file and any used include files. |