The phrase "to interpret this chart" means to understand and explain the information or data presented in the chart in a clear and meaningful way. Full definition
To interpret the chart properly what you are looking for is to see the baby's weight stay in a similar percentile to that of when they were born. (breastfeeding-babies.com)
Either they're making up star positions, or they're not interpreting the charts correctly.» (discovermagazine.com)
Apart from this the medical coder has the duty of interpreting the charts of the patients in order to assign diagnostic and other medical procedure codes for future reference. (sampleresumetemplate.org)