1、Software Introduction:
This software is a comprehensive communication platform, primarily aimed at users who need a seamless and integrated method for social interaction and transaction management. It effectively solves the problem of communication, social interaction, and financial transactions by integrating all these features into one platform. 

Main Modules:
1. Authentication & Account Management: This module provides secure login and registration options, along with user usage protocol for new users.

2. Application & Interface: Includes homepage, search result, broadcast messages and startup page, providing users with a friendly and intuitive interface.

3. Communication Features: Offers a wide range of communication options such as chat, voice transmission, music, search, background modification, voice or video call, sending location, real-time location sharing, group chat, and personal moments.

4. Friend Management: Allows users to manage friend information, edit friend information, delete friends, and manage personnel.

5. Transaction & Finance: Enables users to send gift money, choose payment methods, transfer accounts, manage their wallet, recharge, and withdraw cash.

6. Content & Media: Allows users to manage their album, starred items, notes, and detailed information.

7. Settings & Privacy: Provides options for settings, personal information, head replacement, privacy and security, passcode lock, active sessions, and language settings.

8. Community & Engagement: Allows users to invite friends, provide help & feedback, and verify their identity.

9. System & Maintenance: Manages data and storage usage and notifications. 

This software provides a comprehensive solution for users' communication and transaction needs.

3、Functional brain map
1. Authentication & Account Management
1.1 Password login - 登录密码
1.2 Sign up - 注册
1.3 Register - 注册
1.4 Select Area Code - 选择区号
1.5 User Usage Protocol - 用户使用协议

2. Application & Interface
2.1 Homepage - 主页
2.2 Search result - 搜索结果
2.3 Broadcast Messages - 广播消息
2.4 Startup page - 启动页面

3. Communication Features
3.1 Chat with friends - 好友聊天
3.2 Voice transmission - 语音发送
3.3 Music - 音乐
3.4 Chat Info - 聊天信息
3.5 Search - 搜索
3.6 Background modification - 背景修改
3.7 Voice or Video Call - 语音或视频通话
3.8 Sending location - 发送位置
3.9 Real-time Location sharing - 实时位置共享
3.10 Group chat - 群聊
3.11 Personal Moments - 个人朋友圈列表

4. Friend Management
4.1 Friend information - 好友个人信息
4.2 Edit friend information - 编辑好友信息
4.3 Delete friends - 删除好友
4.4 Personnel management - 人员管理

5. Transaction & Finance
5.1 Gift Money - 发红包
5.2 Payment methods - 支付方式
5.3 Transfer accounts - 转账
5.4 Wallet - 钱包
5.5 Recharge - 充值
5.6 Cash withdrawal - 提现

6. Content & Media
6.1 Album - 相册
6.2 Stared - 我的收藏
6.3 Notes - 笔记
6.4 Detailed information - 明细

7. Settings & Privacy
7.1 Settings - 设置
7.2 Personal information - 个人信息
7.3 Head replacement - 更换头像
7.4 Privacy and Security - 隐私和安全
7.5 Passcode Lock - 密码锁
7.6 Active Sessions - 活跃会话
7.7 Language settings - 语言设置

8. Community & Engagement
8.1 Invite friends - 邀请朋友
8.2 Help & Feedback - 帮助与反馈
8.3 Identity Verification - 身份验证

9. System & Maintenance
9.1 Data and Storage usage - 数据和存储使用情况
9.2 Notifications - 通知