noun
basic multilingual plane; BMP
In Unicode, the first plane (Plane 0) containing characters for most modern languages.
基本多言語面には、日本語の漢字や仮名も含まれている。
The Basic Multilingual Plane includes Japanese kanji and kana.
Supplementary Multilingual Plane (SMP), Plane 1, for historic scripts and less common characters.
Calque from English 'Basic Multilingual Plane', a Unicode term.