Have you found this:
I think it is also helpful to look up the kanji in other sources and see other interpretations of what a kanji means. Sometimes WK’s meanings don’t seem very precise. Looking at the vocabulary where it appears is also helpful.
This is from Kodansha’s kanji dictionary:
念 – 1. THOUGHTS, mind, wish
感 – 1. SENSE, feel
情 – 1. EMOTION, feeling 2. ACTUAL CONDITION
思 – 1. THINK, feel; wish
想 – 1. CONCEIVE, think
信 – 1. BELIEVE, trust 2. MESSAGE, signal
心 – 1. HEART, mind, center, core
望 – 1. HOPE 2. LOOK AFAR
願 – 1. WISH 2. ASK A FAVOR