This is the 6038th most frequent Japanese word.
イチゴ
Strawberry.
In this sentence, 'イチゴ' is used as a noun to represent the fruit strawberries.
イチゴは甘くておいしい果物です。
Strawberries are sweet and delicious fruits.
Here, 'イチゴ' is modifying 'ケーキ', indicating a cake made with strawberries or having a strawberry flavor.
昨日、イチゴのケーキを食べました。
Yesterday, I ate a strawberry cake.
'イチゴ色' uses 'イチゴ' together with '色' (color), describing a cushion's color resembling that of a ripe strawberry.