The Result tab of the Measure Details Report provides this information:
Results date—Days on which result values should be collected or entered, determined by the result frequency.
Collection date—Days by which result values must be collected or entered. Increase this by specifying a collection extension.
Results that are entered or calculated.
Period-to-date results calculated by a formula or function.
Period-to-date results that were manually entered. These results override those calculated.
The locked icon, 
, indicates that the period in which you can specify results has expired. To resolve this issue, increase the collection extension. See Defining Formulas and Frequencies .
Result Collectors can modify, delete, or enter result and period-to-date result values. See Entering Measure and Variable Result Values and Modifying and Deleting Result Values .
If authorized, you can change the measure setup, by selecting Edit and then Edit.