療育手帳 (ryouiku techou) is a type of identification booklet issued in Japan for individuals with intellectual disabilities. The purpose of this booklet is to certify the individual's disability and to facilitate access to various support services, welfare benefits, and special programs designed to assist them and their families.

The ryouiku techou contains important information such as the degree of disability, the holder's personal details, and the issuing authority. It helps in ensuring that individuals with intellectual disabilities receive appropriate care, education, and support throughout their lives.

起算日 (kisanbi) refers to the "starting date" or "commencement date" in Japanese. This term is commonly used in legal, financial, and business contexts to indicate the date from which a particular period or term begins.

For example, in a contract, the kisanbi would be the date from which the contract's terms and conditions take effect. Similarly, in calculating deadlines or the duration of certain obligations, the kisanbi is the reference point from which the time period is measured.

教唆 (kyosa) refers to "incitement" or "instigation" in Japanese. It is commonly used in legal contexts to describe the act of encouraging, persuading, or aiding someone to commit a crime.

In legal terms, kyosa involves actively influencing or provoking another person to engage in unlawful behavior. This can include providing advice, encouragement, or assistance that leads to the commission of an illegal act. The person who commits kyosa can be held legally responsible for their role in facilitating the crime.

相互 (sogo) means "mutual" or "reciprocal" in Japanese. It is used to describe interactions, relationships, or actions that involve mutual exchange or cooperation between two or more parties.

For example, in a business context, 相互 benefits (sogo no rieki) would refer to benefits that are shared and advantageous for all parties involved. Similarly, 相互理解 (sogo rikai) means mutual understanding, emphasizing that both sides understand each other's perspectives and needs. The concept of sogo is fundamental in fostering cooperative and collaborative relationships.

配達証明 (haitatsu shomei) refers to "delivery confirmation" or "delivery certificate" in Japanese. It is a postal service that provides proof that a mail item or package has been delivered to the recipient.

When using haitatsu shomei, the sender receives a certificate from the postal service confirming the delivery, which includes details such as the date and time of delivery. This service is often used for important documents or items where proof of delivery is required, such as legal documents, contracts, or valuable items.

酒豪 (shugo) refers to a "heavy drinker" or "someone who can hold their liquor well" in Japanese. This term describes a person who can consume a large amount of alcohol without becoming easily intoxicated.

In a social context, being called a shugo can imply that the person is admired for their drinking ability. However, it can also carry a negative connotation if it suggests excessive or problematic drinking habits.