a light meal meaning in English

na. 便餐；吃得不多的一餐饭
[网络] 少量的一餐饭；一顿点心；一顿便餐

tea is not just a drink but a light meal at around 4 pm
茶并不仅仅是饮料，还是在下午4点左右的便餐。
a light meal or snack
点心少量的一顿饭或零食
studies have demonstrated that eating breakfast is associated with an improvement in mental performance; more specifically starting the day with a light meal has a positive impact on alertness, concentration, and helps to establish a positive attitude towards school studies, workplace tasks and other activities
研究表明，吃早餐与提高精神有关。更特别的是，早上吃一顿清淡的早餐能提高人的机敏性和注意力，并有助于形成一种积极的学习工作和对待其它活动的态度。