The blue line is underlining the PART NUMBER. In this case, it is CMX512-3500C2PT.
The red box is around the VERSION NUMBER. In this case, it is v1.1
The red line is underlining the LOT NUMBER. In this case, it is 0252029.
The first 4 digits in the LOT NUMBER tell you when it was made. In this example, this would be 0252.
The first 2 digits are the year. 02 = 2002
The last 2 digits are the week. 52 = the last week in December.
What does C2, LL, PT, R or RE stand for in the PART NUMBER?