header data
[/ˈhɛdər ˈdeɪtə/]
nounpl: header data / header datasets
dados de cabeçalho
1. Metadata or control information placed at the beginning of a data packet, file, or message that describes the content and how to process it
The network packet's header data contains the source and destination IP addresses.
Os dados de cabeçalho do pacote de rede contêm os endereços IP de origem e destino.
2. Information in the top portion of a document, spreadsheet, or data structure that provides context or instructions for the data that follows
The CSV file's header data specifies the column names: ID, Name, Email.
Os dados de cabeçalho do arquivo CSV especificam os nomes das colunas: ID, Nome, Email.
3. In HTTP communications, the fields and values sent before the main content body that specify request/response parameters
The header data includes content-type, authentication tokens, and cache directives.
Os dados de cabeçalho incluem tipo de conteúdo, tokens de autenticação e diretivas de cache.
This is a technical term widely used in IT and software development communities in both Brazil and Portugal. In Brazilian tech companies, English terminology is often used alongside Portuguese, making 'header data' commonly understood in its English form. The Portuguese translation 'dados de cabeçalho' is used in formal documentation and educational contexts.
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