` so in the easyeda DRC rules , I wanted to set track to track ok and track to pad constraints . But I did not found any option to do that , every other professional PCB designing software has that . Am I missing something it's just that the software doesn't provide you with those features?
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Brand new interactions and interfaces. 
Easy to use and quick to get started. 
Hello
The "clearance" setup value is related to what you are requesting since it refers to :
Please check the following link for more details about the DRC setup : https://docs.easyeda.com/en/PCB/Design-Rule-Check/index.html