2. Texto fuente Translation Memory Files This section letsyouselect a TM or create a new one, service TMs and defineattributes or rules. Whencreating a new TM, Wordfastwillaskyou for ISO-compliantlanguage codes for the source and targetlanguages. These codes consist of 5 characters (2 characters for the language, a dash, and 2 characters for the local variant, or "01" if no local variant exists). See the important remark 3 below for TMX interchangewithother translation tools, likeTrados. If you use Cancel afterhavingused the Select TMbutton, Wordfastwillask if youwant to unselect the current file. If youansweryes, no translation memorywillbeselected. It is possible to start a translation session without the use of a translation memory, but Wordfastwillremindyouthat no TM iscurrentlyselected.