Fetching details from the dictionary...

fruit; nut
seed
(in broth) pieces of meat, vegetable, etc.
content; substance
「子」 has other readings with different meanings.
秋に公園で木の実を拾って食べた。
I picked up and ate tree nuts.
この実は甘くておいしい。
This fruit is sweet and delicious.
実がたくさんなっている。
Many fruits have grown.