吉他谱里面类似“xx0230”的是什么意思呀？怎么弹奏？

Question

比如《Why》- 艾薇儿的吉他谱的一部分：
E - xx0230 || E/D# - x477xx || Am/C - x10033
A - 320030 || C#m - x24432 || F#5(VII) - x799xx
B - x02230 || B5 - x022xx || F#/F - x699xx
A/G# - 2x0030 || F#5 - 022xxx || D#m - x46654
F#m7 - 022030 || B/D# - x422xx || C#5 - x244xx
E5 - x577xx || E/D - x3x230 || G#m - 244222
|| A/C# - x20033 ||
E A E A

E A E B
Why do you always do this to me
E A E B
Why couldn't you just see you threw me
E A E B E
How come you act like this like you just don't care at all
A/G# A A/G# B
Do you expect me to believe I was the the only one to fall

Answer 1

你说的应该是和弦图的上面标注的
X：代表这根弦的音不属于这个和弦，在弹奏的时候不要碰响这根弦
O：表示弹奏的时候不用按弦，是空弦音
数字：标注的是数字几，就在该弦上弹几品