TM means that the trademark has been applied to the State Trademark Office, and the State Trademark Office has also issued the Notice of Acceptance, which has entered the objection period, thus preventing others from filing repeated applications, and also means that the existing trademark holders have the priority to use it. The circle R is the mark of "registered trademark", which means that the trademark has been registered in the State Trademark Office and has been examined and approved by the Trademark Office, and has become a registered trademark. R in the circle is the initial letter of English register registration.
ATHLON stands for Athlon, which belongs to the mid-range CPU and is also geared to the masses.
64 means that it can use a 64-bit operating system
X2 Dual Core Processor means that it is a dual-core CPU
44+ is a code that is different from 46+ 48+, and the main difference is that the main frequency is different.
2.31GHZ represents your main frequency, and the higher the main frequency, the better.